Home / 20,984.22-28,957.14-11,553.12

Finding the Fourth Proportional to 20,984.22, 28,957.14 and 11,553.12

Calculator

Solution

The fourth proportional to 20,984.22, 28,957.14 and 11,553.12 is: 15,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984.22 : 28,957.14 = 11,553.12 : x
  2. Step 2: Convert to fraction form
    20,984.22/28,957.14 = 11,553.12/x
  3. Step 3: Cross multiply
    20,984.22x = 28,957.14 × 11,553.12
  4. Step 4: Simplify right side
    20,984.22x = 334,545,313.28
  5. Step 5: Solve for x
    x = 334,545,313.28/20,984.22
  6. Step 6: Final answer
    x = 15,942.71

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.